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prepare.go
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prepare.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package minio
import (
"context"
"fmt"
"net"
"net/http"
"time"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
"namespacelabs.dev/foundation/framework/resources"
"namespacelabs.dev/foundation/internal/fnerrors"
)
type EnsureBucketOptions struct {
AccessKey string
SecretAccessKey string
BucketName string
Endpoint string
Region string
}
func EnsureBucket(ctx context.Context, instance EnsureBucketOptions) error {
if instance.Endpoint == "" {
return fnerrors.New("Endpoint must be set")
}
creds := credentials.NewStaticV4(instance.AccessKey, instance.SecretAccessKey, "")
client, err := minio.New(instance.Endpoint, &minio.Options{
Creds: creds,
Secure: false,
Region: instance.Region,
BucketLookup: minio.BucketLookupPath,
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
dialer := &net.Dialer{
Timeout: 10 * time.Second,
KeepAlive: 15 * time.Second,
}
conn, err := dialer.DialContext(ctx, network, addr)
if err != nil {
return nil, err
}
return conn, nil
},
MaxIdleConnsPerHost: 1024,
WriteBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
ReadBufferSize: 32 << 10, // 32KiB moving up from 4KiB default
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 10 * time.Second,
// Set this value so that the underlying transport round-tripper
// doesn't try to auto decode the body of objects with
// content-encoding set to `gzip`.
//
// Refer:
// https://golang.org/src/net/http/transport.go?h=roundTrip#L1843
DisableCompression: true,
},
})
if err != nil {
return fnerrors.New("failed to create client: %w", err)
}
if err := client.MakeBucket(ctx, instance.BucketName, minio.MakeBucketOptions{
Region: instance.Region,
ObjectLocking: false,
}); err != nil {
if merr, ok := err.(minio.ErrorResponse); ok {
if merr.Code == "BucketAlreadyOwnedByYou" {
return nil
}
}
return fnerrors.New("failed to create bucket: %w", err)
}
return nil
}
func FromStatic(secretValue []byte) func() ([]byte, error) {
return func() ([]byte, error) { return secretValue, nil }
}
func FromSecret(r *resources.Parsed, secretName string) func() ([]byte, error) {
return func() ([]byte, error) {
return resources.ReadSecret(r, secretName)
}
}
type deferredFunc func() ([]byte, error)
type Endpoint struct {
AccessKey string
SecretAccessKey string
PrivateEndpoint string
PrivateEndpointUrl string
PublicEndpointUrl string
}
func PrepareEndpoint(r *resources.Parsed, serverRef, serviceName string, accessKey, secretKey deferredFunc) (*Endpoint, error) {
x, err := resources.LookupServerEndpoint(r, serverRef, serviceName)
if err != nil {
return nil, err
}
accessKeyID, err := accessKey()
if err != nil {
return nil, err
}
secretAccessKey, err := secretKey()
if err != nil {
return nil, err
}
ingress, err := resources.LookupServerFirstIngress(r, serverRef, serviceName)
if err != nil {
return nil, err
}
endpoint := &Endpoint{
AccessKey: string(accessKeyID),
SecretAccessKey: string(secretAccessKey),
PrivateEndpoint: x,
PrivateEndpointUrl: fmt.Sprintf("http://%s", x),
}
if ingress != nil {
endpoint.PublicEndpointUrl = *ingress
}
return endpoint, nil
}